http://www.weibull.com/hotwire/issue21/hottopics21.htm
http://www.weibull.com/hotwire/issue22/hottopics22.htm
My guess is, because of the nature of this problem, people can see (conclude?) what they want to see. Some facts are that electronics experience early failure, wear out from use or can go bad just sitting unused on a shelf. In addition, most often their reliability is specified in terms of a mean-time-between-failure (MTBF) that assumes a constant failure rate over time with actual usage.
http://www.weibull.com/hotwire/issue22/hottopics22.htm
My guess is, because of the nature of this problem, people can see (conclude?) what they want to see. Some facts are that electronics experience early failure, wear out from use or can go bad just sitting unused on a shelf. In addition, most often their reliability is specified in terms of a mean-time-between-failure (MTBF) that assumes a constant failure rate over time with actual usage.
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